radiator

Meanings

1. 1
   noun

   A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.

   The car overheated because of a broken radiator.

2. 2
   noun

   A finned metal fixture that carries hot water or steam in order to heat a room.

   The radiator kept the apartment warm during winter.

3. 3
   noun

   a mechanism consisting of a metal honeycomb through which hot fluids circulate

4. 4
   noun

   heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings

5. 5
   noun

   any object that radiates energy

6. 6
   noun

   Anything which radiates or emits rays.

7. 7
   noun

   A type of antenna.

Etymology

From radiate + -or. Doublet of radiatori.